The metadata below describe the original scanning. Follow the "All Files: HTTP" link in the "View the book" box to the left to find XML files that contain more metadata about the original images and the derived formats (OCR results, PDF etc.). See also the What is the directory structure for the texts? FAQ for information about file content and naming conventions.
"Reprint of the edition of circa 1530, with variorum readings from the edition of 1532" with reproduction of original t.-p
Mainly founded on Melanchthon's Institutiones rhetoricae, published in 1521; the first book of which, dealing with invention, is reprinted (p. -102)
"List of works by Cox": p. 18-22
"The Rhetoric of Cox: its predecessors and successors": p. 22-34